My organization was requested for me to devlopement the RFS in change order at Unicntre pakage, but I Faced with the problem in how to make two field ( Est Duration ) and ( Backout Est Duration) at Costs/plans tab as mandatory field

Does it need to change data type in database?
what is the steps that I can to do this?

would you not be better seeking such a technical resolution from product support or from user groups?

On a site like this only some people will be familiar with the product and it would be a coincidence if any of them both spot this post and have that level of technical knowledge; especially if it is not in the manual._________________"Method goes far to prevent trouble in business: for it makes the task easy, hinders confusion, saves abundance of time, and instructs those that have business depending, both what to do and what to hope."
William Penn 1644-1718